A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and its frequency is 0.5 Hz.The speed of the ripple is:

The decimal equivalent of ⁷/₈ is

Demersals are fish that are found:

A relationship between two organisms where one organism derives benefits from the relationship and the other organism derives no benefit, but is not harmed, is called:

When focussing on distant objects:

Globalization is characterized by all of the following EXCEPT the

A __________ is a sub-division of a track that stores data on a disk.

The chemicals that make up the bodies of animals and plants are called:

8x - 4(x - 5) =

In order to carry out photosynthesis, a plant needs:

We can separate an insoluble solid from a liquid using:

When large molecules are broken down into smaller ones it is called:

You never find native magnesium because:

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

As the teacher continued his lesson, John began to lose all interest, imagining himself laying on his bed relaxing.

The number of atoms in a diatomic molecule is:

Which of the following BEST characterizes a primary group?

Which device has internal storage in the form of a buffer?

POPULATION PYRAMID FOR COUNTRY X

Which of the following features of Country X may be gathered from the diagram above?

Natural Increase in Population

The natural increase in population for country X in 2006 was